*{
	margin:0px;
	padding:0;
	list-style:none;
	padding-left: 40px;
  }
img{
     border:none;
	 }
body{ 
     background:url(images/ybj_bj.jpg)
	 top
	 no-repeat 
	 #f39c19;
	 margin:0;
	 padding:0;
	 }
.center{
     margin:0 auto;
	 }
.top{
	width:1000px;
	height:230px;
	
	 }
.tt1{
	width:908px;
	background:url(images/ybj_04.jpg)
	 no-repeat;
	height:380px;
	padding:15px 50px 0 100px;
	 }
.tt2{ 
     width:908px;
	 background:url(images/ybj_05.jpg)
	 no-repeat;
	 height:162px;
	 padding:0 0 0 92px;
	 }

.nav{
	width:500px;
	float:none;
	padding-left: 100px;
     }

.nav1 a{
      background:url(images/ydy_n1.jpg)
	  no-repeat;
	  display:inline-block;
	  float:left;
	  width:172px;
	  height:51px;
	  padding-bottom:4px;
	  }
	  
.nav2 a{
      background:url(images/ydy_n2.jpg)
	  no-repeat;
	  display:inline-block;
	  float:left;
	  width:172px;
	  height:51px;
	  padding-bottom:4px;
	  }

.nav3 a{
      background:url(images/ydy_n3.jpg)
	  no-repeat;
	  display:inline-block;
	  float:left;
	  width:172px;
	  height:51px;
	  }
	  
	  
.nav1_ a{
      background:url(images/ydy_n4.jpg)
	  no-repeat;
	  display:inline-block;
	  float:left;
	  width:172px;
	  height:51px;
	  padding-bottom:4px;
	  }
	  
.nav2_ a{
      background:url(images/ydy_n5.jpg)
	  no-repeat;
	  display:inline-block;
	  float:left;
	  width:172px;
	  height:51px;
	  padding-bottom:4px;
	  }

.nav3_ a{
      background:url(images/ydy_n6.jpg)
	  no-repeat;
	  display:inline-block;
	  float:left;
	  width:172px;
	  height:51px;
	  }
	  
.pic_1{ float:left;}
.pic_1 a{ background:url(images/ydy_pic1.jpg)
       no-repeat;
	   display:inline-block;
	   width:643px;
	   height:162px;
     
	  }
.pic_2{ float:left;
	  }
.pic_2 a{ background:url(images/ydy_pic2.jpg)
       no-repeat;
	   display:inline-block;
	   width:643px;
	   height:162px;
     
	  }


.footer{
      background:url(images/ybj_12.jpg)
	  no-repeat;
	  width:1000px;
	  height:85px;  
      clear:both;
	  width:1000px;
	  height:80px;
	  padding:54px 0 0 0;
	  }
a{
	color:#990000;
}
p{
	font-size:12px;
	color:#333333;
	text-align:left;
	line-height:1.5;
	}
